A&rpar; Become less accurate with longer time horizons&period;&NewLine;B&rpar; Are less accurate for individual items than for groups of items&period;&NewLine;C&rpar; Are always perfect&period; ✔ &NewLine;D&rpar; Are usually the responsibility of operating managers to prepare&period;&NewLine;E&rpar; Assume the same underlying causal system in the future as the past&period; &NewLine;

This document concentrates on chapters 3 and 4 of the operations management textbook we were using in the 2019&sol;2020 academic year&period; This document concentrates on demand forecasting and competitiveness in productivity&period;